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LM3489QMM/NOPB from NSC,National Semiconductor

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LM3489QMM/NOPB

Manufacturer: NSC

Automotive Grade 4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller with Enable Pin 8-VSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM3489QMM/NOPB,LM3489QMMNOPB NSC 150 In Stock

Description and Introduction

Automotive Grade 4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller with Enable Pin 8-VSSOP -40 to 125 The LM3489QMM/NOPB is a switching regulator from National Semiconductor (NSC). Below are its key specifications, descriptions, and features:  

### **Manufacturer:**  
National Semiconductor (NSC)  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 35V  
- **Output Voltage Range:** Adjustable down to 1.26V  
- **Output Current:** Up to 2A  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Pin VSSOP (MSOP)  

### **Descriptions:**  
- The LM3489QMM/NOPB is a step-down (buck) switching regulator with an integrated N-channel MOSFET.  
- It is designed for high-efficiency power conversion in a compact package.  
- Features include adjustable frequency, soft-start, and thermal shutdown protection.  

### **Features:**  
- **Wide Input Voltage Range:** 4.5V to 35V  
- **Adjustable Output Voltage** (down to 1.26V)  
- **High Efficiency** (up to 95%)  
- **Adjustable Switching Frequency** (up to 1MHz)  
- **Integrated N-Channel MOSFET**  
- **Soft-Start Function**  
- **Thermal Shutdown Protection**  
- **Current Mode Control**  
- **Low Shutdown Current** (<1µA)  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Automotive Grade 4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller with Enable Pin 8-VSSOP -40 to 125
Partnumber Manufacturer Quantity Availability
LM3489QMM/NOPB,LM3489QMMNOPB TI 2000 In Stock

Description and Introduction

Automotive Grade 4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller with Enable Pin 8-VSSOP -40 to 125 The **LM3489QMM/NOPB** is a switching regulator from **Texas Instruments (TI)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
Texas Instruments (TI)  

### **Specifications:**  
- **Topology:** Buck (Step-Down)  
- **Input Voltage Range:** 4.5V to 35V  
- **Output Voltage Range:** Adjustable (down to 1.26V)  
- **Output Current:** Up to 2A  
- **Switching Frequency:** Adjustable (100kHz to 1MHz)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-VSSOP (MSOP)  

### **Descriptions:**  
The **LM3489QMM/NOPB** is a **current-mode PWM buck regulator** designed for high-efficiency step-down voltage conversion. It features a wide input voltage range, making it suitable for various applications, including industrial, automotive, and consumer electronics.  

### **Features:**  
- **Adjustable Output Voltage** (via external resistors)  
- **Synchronizable Switching Frequency** (for noise-sensitive applications)  
- **Integrated N-Channel MOSFET** (for high efficiency)  
- **Cycle-by-Cycle Current Limiting** (for protection)  
- **Thermal Shutdown Protection**  
- **Soft-Start Function** (reduces inrush current)  
- **Low Shutdown Current** (<1µA)  

This information is based solely on the manufacturer's datasheet. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

Automotive Grade 4.5-35V, Hysteretic Non-Synchronous PFET Buck Controller with Enable Pin 8-VSSOP -40 to 125

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